form($_get).php

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Untitled Document</title>
</head>

<body>
<form action="form($_GET).php" method="get">
		<table align="center" border="1">
			<tr>
				<td>User Name</td>
				<td><input type="text" name="uname" />
			</tr>
			<tr>
				<td align="center" colspan="2"><input type="submit" name="submit" value="Submit" /></td>
			</tr>
		</table>
	</form>
</body>
</html>
<?php
	
	if(isset($_REQUEST['submit']))
	{
		$uname=$_GET['uname'];
		
		echo "Welcome" . " " . $uname;
	}
	
?>